US Bridges

Rs 644 59-4-0 over Cowskin Creek

Fair

Sumner County, Kansas · 2.0S 2.0W of Mulvane · Structure no. 000000000960580

Built
1931
94 years old, rebuilt 1970
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
5 main spans
Daily traffic
3,515
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 644 59-4-0 over Cowskin Creek is a steel stringer/multi-beam or girder carrying Rs 644 59-4-0 over Cowskin Creek in Sumner County, Kansas. It was built in 1931 and reconstructed in 1970, so it is 94 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,515 vehicles a day, roughly 10% of them trucks, projected to reach 3,612 by 2043. The structure is 162 ft (49.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 644 59-4-0
CrossesCowskin Creek
Location2.0S 2.0W of Mulvane
RouteCounty Highway 644
CountySumner County
StateKansas
Coordinates37.45055, -97.27671
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.4 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length162 ft (49.5 m)
Longest span34 ft (10.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,515 (2013)
Projected traffic3,612 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$365,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 644 59-4-0 over Cowskin Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1970.

What condition is Rs 644 59-4-0 over Cowskin Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Rs 644 59-4-0 over Cowskin Creek carry?

About 3,515 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Rs 644 59-4-0 over Cowskin Creek?

The structure is 162 ft (49.5 m) long with a longest span of 34 ft (10.3 m) and a deck 33 ft wide.

Who owns Rs 644 59-4-0 over Cowskin Creek?

It is owned by the County Highway Agency.